CN104057007B - Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die - Google Patents
Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die Download PDFInfo
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- CN104057007B CN104057007B CN201410268428.4A CN201410268428A CN104057007B CN 104057007 B CN104057007 B CN 104057007B CN 201410268428 A CN201410268428 A CN 201410268428A CN 104057007 B CN104057007 B CN 104057007B
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- 239000000956 alloy Substances 0.000 title claims abstract description 84
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 84
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 210000002583 cell-derived microparticle Anatomy 0.000 claims description 37
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000000750 progressive effect Effects 0.000 claims description 6
- 238000007514 turning Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241001149930 Protura <class> Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention relates to a hard alloy female die for semi-flat round head rivets and flat taper head rivets and a processing method of the hard alloy female die. The adopted technical scheme is that the hard alloy female die consists of an alloy core, a middle sleeve and an outer body, wherein the center of the alloy core is provided with a through hole I, the alloy core is inserted into the middle sleeve and is in interference fit with the middle sleeve, then the alloy core and the middle sleeve are integrally inserted into the outer body and are in interference fit with the outer body, the outer body is provided with a through hole II, the through hole I is coaxial with the through hole II, a working end face formed after the alloy core, the middle sleeve and the outer body are combined is an inclined surface and has a radial angle of 30 minutes to 1 degree, and one end of the working surface of the through hole I of the alloy core has a rounded angle. After the hard alloy female die formed by adopting the processing method provided by the invention is applied, processed rivet products meet the requirements of use, design precision and the like.
Description
Technical field
The invention belongs to die processing method field, more particularly to a kind of for processing half oval head, flat conehead
The processing method of the hard alloy former of rivet.
Background technology
The standard component such as rivet and bolt is mainly used to fastenings, thus it is of many uses, and quantity is in great demand, rivet
It is typically all to be stamped to form by former, formpiston cold headers on cold headers in standard component, it is possible to achieve batch production, according to
The profile of former of its needs of the difference of machined material, material etc. are also different.If the former that the rivet of steel matter needs
Its core rod should be hard alloy, bears that metal deformation resistance is larger because it is responsible for, and the sub- former of common steel core is generally used to
The rivet of the materials such as processing aluminum material.Part is made to be finally reached molding by the use on cold headers of hard alloy former, formpiston
Important function.So, the accuracy of manufacture of alloy former and service life have direct impact to the quality of product, cost.
Content of the invention
The purpose of the invention be provide a kind of be applied to half oval head, flat taper head rivet hard alloy former plus
Work method, using the hard alloy former of the method processing of the invention, the rivet product processing meets using and sets
The various requirements such as meter precision.
The invention the technical scheme is that a kind of half oval head, flat taper head rivet hard alloy former, by closing
Golden fuse, middle set and ectosome are constituted；Alloy core subcenter is provided with through hole, joins in set in the insertion of alloy fuse and with the interference of middle set
Close, then more overall insert outer internal, and with ectosome interference fit, ectosome is provided with through hole ii, and through hole is coaxial with through hole ii.
Above-mentioned half oval head, flat taper head rivet hard alloy former, structure after being combined by alloy fuse, middle set and ectosome
The operative end surface becoming is inclined-plane, has 30 ' -1 ° of centripetal angles.
Above-mentioned half oval head, flat taper head rivet hard alloy former, through hole work surface one end of alloy fuse has
Fillet.
A kind of half oval head, the flat taper head rivet processing method of hard alloy former, step is as follows:
1) process alloy fuse
1.1) get the raw materials ready；Center is taken to have the alloy fuse material of endoporus；
1.2) a pincers worker operation: with the hole at two top two ends propping up alloy fuse, grind central bore；
1.3) once electrolytic grinder sequence: top, the driving lever being carried with electrolytic grinder, use clip clamping, cylindrical grinding is shown in light；
1.4) line cutting process: with cylindrical centering fixture clamping, line cut hole, stay the surplus of 0.08-0.10mm, retaining hole
Circularity and cylindricity are within φ 0.02-0.03mm；
1.5) secondary pincers worker operation: slightly grind through hole with ringfeder, stay 0.04mm surplus it is ensured that cylindricity is within 0.02mm,
Ringfeder is enclosed within a rod with Small Taper, when grinding through hole, progressive through hole, and going deep into length, taper increases, ringfeder
The progressive spreading of size, hole of realizing rising；
1.6) three pincers worker operations: using some different-diameter sizes grinding rod lappingout through hole to requiring, described grinds
Length l1+55mm of grinding hole needed for length l5=of frotton；
1.7) re-electrolysiss grinder sequence: the clip clamping being carried with grinding machine, cylindrical grinding, and break-in gold fuse one end, make conjunction
Golden fuse one end has length l2=5mm and taper is 5 ° of cone, ensures with the axiality of through hole in φ simultaneously
Within 0.025mm；
1.8) three electrolytic mill operations: break-in gold fuse two ends are it is ensured that the depth of parallelism is within 0.02mm and and axially bored line
Perpendicularity within φ 0.03mm；
1.9) four pincers worker operations: 1/2 and the taper of slightly getting through the fillet of hole work surface one end with oilstone are 5 ° of circular cone
Shape one end；
2) cover in processing
2.1) get the raw materials ready；
2.2) a turner operation: the clamping with three-jaw chuck being carried with lathe, turning, stay the surplus of 0.3-0.4mm, interior
Hole, by the cylindrical surplus staying 0.4-0.5mm of alloy fuse, length direction stays 1-2mm surplus；
2.3) heat treatment step: quench and be tempered to hrc53-58；
2.4) blast operation: blast；
2.5) plain grinding operation: grind one end datum level with Flat plierses clamping；
2.6) endoporus grinder sequence: on the basis of the datum level that plain grinding grinds, pay in pairs with alloy fuse match grinding endoporus；
3) alloy fuse and middle set cooperation
3.1) a pincers worker operation: in be placed in thermohaline stove in 450 DEG C insulation 30 minutes after take out, rapidly by alloy fuse
In set endoporus in press-in；
3.2) turner operation: car removes the redundance at two ends after pressing；
3.3) outer grinder sequence: on the basis of the hole of alloy fuse, cover cylindrical in mill, and cover one end in grinding, make middle set one end
There is length l3=5mm and taper is 5 ° of cone, ensure with the axiality of through hole simultaneously within φ 0.025mm；
3.4) plain grinding operation: by grind cylindrical on the basis of, mill two ends and alloy fuse keep flushing it is ensured that the putting down of two ends
Row degree is within 0.02mm and with the perpendicularity of axially bored line within φ 0.03mm；
3.5) secondary pincers worker operation: beaten in circle with oilstone and put conical one end that taper is 5 °；
4) processing ectosome (3)
4.1) get the raw materials ready；
4.2) a turner operation, rough turn cylindrical, stay 2mm surplus, stay 2mm surplus, length by the cylindrical rough turn endoporus of middle set
Lengthen 5mm, remaining is not processed；
4.3) heat treatment step: quenched hrc37-41 is carried out to ectosome；
4.4) blast operation: blast；
4.5) secondary turner operation: smart car endoporus, diameter of bore stays 0.09-0.11mm surplus with middle set major diameter fit, interior
The mouth end in hole and bottom ensure perpendicularity perpendicular to axially bored line within φ 0.015mm, remaining not car；
4.6) plain grinding operation: upper Flat plierses mill tail end is with mouth end it is ensured that the depth of parallelism is within 0.015mm；
5) cooperation of set (2) and ectosome (3) in
5.1) a pincers worker operation: ectosome is placed in insulation in 450 DEG C of salt stoves and takes out after 30 minutes, rapidly by middle set press-in
Ectosome is to ectosome bottom；
5.2) a turner operation: on the basis of through hole center, drill and ream the fixture being carried with lathe through hole ii, stays 0.01-
0.04mm surplus, through hole and through hole ii are coaxial, turning to requiring it is ensured that with the axiality of through hole in φ 0.05mm, car
Both ends of the surface are long, stay mill amount 0.2-0.3mm surplus；
5.3) a pincers worker operation: using some various sizes of grinding rod lappingout through hole ii to requiring；
5.4) recessed reduction: the operative end surface (6) that mill is constituted after being combined by alloy fuse (1), middle set (2) and ectosome (3), mill
The centripetal angle of operative end surface is 30 ' -1 °；
5.5) plain grinding operation: plain grinding tail end ensures that parallel and perpendicularity with axially bored line, in φ 0.03mm, keeps length
Direction is to size；
5.6) secondary pincers worker operation: with fillet and the centripetal angle of operative end surface of oilstone grinding and polishing through hole work surface one end
To requiring.
The beneficial effect of the invention is: the invention adopts hard alloy as fuse so that former cold heading die
Withstand shocks or the wear-resisting working condition of thump under, have a preferable toughness, fracture toughness, fatigue strength and good
Good wearability.The operative end surface of the invention has centripetal angle (generally 30 '～1 °), and this centripetal angle can be in cold-heading
During processing, make that workpiece (generally steel wire) is stamped more thoroughly it is ensured that the rivet end face processing more flushes.The present invention creates
Make and be formed with fillet on the through hole of operative end surface, make product meet the various requirements such as use and design accuracy.
Brief description
Fig. 1 is a kind of structural representation of half mushroom rivet.
Fig. 2 is half oval head, the structural representation of flat taper head rivet hard alloy former.
Fig. 3 is alloy fuse machining sketch chart.
Fig. 4 is middle set machining sketch chart.
Fig. 5 is structural representation after alloy fuse and middle casing pressure core.
Fig. 6 is ectosome machining sketch chart.
Fig. 7 is the use schematic diagram of ringfeder.
Fig. 8 is the appearance schematic diagram of hole grinding rod.
Fig. 9 is the schematic diagram (before processing) of the rivet course of processing.
Figure 10 is the schematic diagram (after processing) of the rivet course of processing.
Specific embodiment
A kind of half oval head of embodiment 1, flat taper head rivet hard alloy former
As shown in Fig. 2 a kind of half oval head, flat taper head rivet hard alloy former: by alloy fuse (1), middle set (2)
Constitute with ectosome (3).
Alloy fuse (1) center is provided with through hole (4), joins in set (2) in alloy fuse (1) insertion and with middle set (2) interference
Close, then again in overall insertion ectosome (3), and with ectosome (3) interference fit, ectosome (3) is provided with through hole ii (5), through hole
(4) coaxial with through hole ii (5).
After being combined by alloy fuse (1), middle set (2) and ectosome (3), the operative end surface (6) that constitutes is inclined-plane, have 30 '-
1 ° of centripetal angle.
Through hole (4) work surface one end of alloy fuse (1) has fillet.
A kind of half oval head of embodiment 2, the flat taper head rivet processing method of hard alloy former
The method of the hard alloy former of process embodiment 1.The material of alloy fuse is yg20 or yg25 hard alloy,
The material of middle set is t8a, and the material of ectosome is 30crmnsia.Processing method is as follows:
1) as shown in figure 3, processing alloy fuse (1)
1.1) get the raw materials ready；Center is taken to have the alloy fuse material of endoporus (generally φ 1), material is intact, flawless, no sand
Eye；
1.2) a pincers worker operation: with the hole at two top two ends propping up alloy fuse it is therefore an objective to remove impurity, grind
Central bore；
1.3) once electrolytic grinder sequence: top, the driving lever being carried with electrolytic grinder, clamp folder with clip, cylindrical grinding is shown in light；
Electrolytic grinder is the grinding machine of special break-in gold, is skive 1al/t2；
1.4) line cutting process: with cylindrical centering special fixture clamping, line cut hole, stay the surplus of 0.08-0.10mm, protect
Hold the circularity in hole and cylindricity within φ 0.02-0.03mm；
1.5) secondary pincers worker operation: slightly grind through hole (4) with ringfeder as shown in Figure 7, stay 0.04mm surplus it is ensured that cylinder
Within 0.02mm, ringfeder (7) is enclosed within a rod with Small Taper (8) degree, and when grinding through hole, progressive through hole, with length
That spends gos deep into, and taper increases, the progressive spreading of ringfeder size, hole of realizing rising；
1.6) three pincers worker operations: lappingout through hole (4) to requiring, in specially abradant vertical machine, hand-held alloy core
Son, with the hole of minimum dimension with grinding rod (as shown in Figure 8) clamping on vertical lapping machine, during work, grinding rod dips in abrasive pastes
Contact fuse endoporus, increases with size, changes grinding rod, chases going forward one by one of grinding rod size to reach grinding hole to final size
To the purpose of design size, grinding completes.Length l1+55mm (folder amount and the grinding of grinding hole needed for length l5=of grinding rod
Zone of action during rod motion)；
1.7) re-electrolysiss grinder sequence: the clip clamping being carried with grinding machine, cylindrical grinding (diameter d1), and break-in gold fuse one
End, makes alloy fuse one end have length l2=5mm and taper is 5 ° of cone, ensures to exist with the axiality of through hole simultaneously
Within φ 0.025mm；
1.8) three electrolytic mill operations: break-in gold fuse two ends are it is ensured that the depth of parallelism is within 0.02mm and and axially bored line
Perpendicularity within φ 0.03mm；
1.9) four pincers worker operations: 1/2 and the taper of slightly getting through the fillet (r) of hole work surface one end with oilstone are 5 °
Conical one end (5 ° of caudal horns)；
2) as shown in figure 4, covering (2) in processing
2.1) get the raw materials ready: shearing blanking；Material is intact, flawless, no sand holes；
2.2) a turner operation: the clamping with three-jaw chuck being carried with lathe, turning (diameter d2), stay 0.3-0.4mm
Surplus, endoporus stays the surplus of 0.4-0.5mm by alloy fuse cylindrical (diameter d1), length direction stays 1-2mm surplus；
2.3) heat treatment step: quench and be tempered to hrc53-58；
2.4) blast operation: blast
2.5) plain grinding operation: grind one end datum level with Flat plierses clamping；
2.6) endoporus grinder sequence: on the basis of the datum level that plain grinding grinds, pay in pairs with alloy fuse match grinding endoporus；
3) as shown in figure 5, alloy fuse (1) is coordinated with middle set (2)
3.1) a pincers worker operation: in be placed in thermohaline stove in 450 DEG C insulation 30 minutes after take out, rapidly by alloy fuse
In set endoporus in press-in；
3.2) turner operation: car removes the redundance at two ends after pressing；
3.3) outer grinder sequence: on the basis of the hole of alloy fuse, cover in mill cylindrical (diameter d2), and cover one end in grinding, make
Middle set one end has length l3=5mm and taper is 5 ° of cone, ensures with the axiality of through hole in φ 0.025mm simultaneously
Within；
3.4) plain grinding operation: by grind cylindrical on the basis of, mill two ends and alloy fuse keep flushing it is ensured that the putting down of two ends
Row degree is within 0.02mm and with the perpendicularity of axially bored line within φ 0.03mm；
3.5) secondary pincers worker operation: beaten in circle with oilstone and put conical one end (5 ° of caudal horns) that taper is 5 °；
4) as shown in fig. 6, processing ectosome (3)
4.1) get the raw materials ready: sawing；The intact no damaged crackle of material；
4.2) a turner operation, rough turn cylindrical (diameter d0), stay 2mm surplus, rough turn interior by middle set cylindrical (diameter d2)
2mm surplus, extended length 5mm are stayed in hole, and remaining is not processed；
4.3) heat treatment step: ectosome is carried out with quenched hrc37-41, quenched is that quenching increases temperature at the dual heat of tempering
Reason.The purpose of high tempering is to eliminate the internal stress that quenching produces, to obtain expected mechanical property.The quenched property that can make steel
Can, material is significantly adjusted, and its intensity, plasticity and toughness are all preferable, have good comprehensive mechanical performance；
4.4) blast operation: blast；
4.5) secondary turner operation: smart car endoporus (diameter d2), diameter of bore stays 0.09-0.11mm with middle set major diameter fit
Surplus, the mouth end of endoporus and bottom ensure perpendicularity perpendicular to axially bored line within φ 0.015mm, remaining not car；
4.6) plain grinding operation: upper Flat plierses mill tail end is with mouth end it is ensured that the depth of parallelism is within 0.015mm；
5) last cooperation
5.1) a pincers worker operation: ectosome is placed in insulation in 450 DEG C of salt stoves and takes out after 30 minutes, rapidly by middle set press-in
Ectosome is to ectosome bottom；
5.2) a turner operation: on the basis of through hole center, drill and ream the fixture being carried with lathe through hole ii, stays 0.01-
0.04mm surplus, through hole and through hole ii are coaxial, turning to requiring it is ensured that with the axiality of through hole in φ 0.05mm, car
Both ends of the surface are long, stay mill amount 0.2-0.3mm surplus；
5.3) a pincers worker operation: using as shown in Figure 8, some various sizes of grinding rod lappingout through hole ii are to will
Ask；
5.4) recessed reduction: the operative end surface (6) that mill is constituted after being combined by alloy fuse (1), middle set (2) and ectosome (3), mill
The centripetal angle of operative end surface be 30 ' -1 ° it is ensured that with the beating within φ 0.05mm of axially bored line；
5.5) plain grinding operation: plain grinding tail end ensures that parallel and perpendicularity with axially bored line, in 0.03mm, keeps length side
To size；
5.6) secondary pincers worker operation: with fillet and the centripetal angle of operative end surface of oilstone grinding and polishing through hole work surface one end
To requiring.
Work process is as follows: as shown in figure 9, during processing, steel wire (9) is put in the through hole of former, former and formpiston
(10) coordinate, cold headers pass through former, formpiston cold headers punching press, after punching press as shown in Figure 10, complete riveting as shown in Figure 1
The processing of nail.
Claims (1)
1. a kind of half oval head, flat taper head rivet with the processing method of hard alloy former it is characterised in that:
Described half oval head, flat taper head rivet hard alloy former: by alloy fuse (1), middle set (2) and ectosome (3) structure
Become；Alloy fuse (1) center is provided with through hole i (4), in set (2) in alloy fuse (1) insertion and with middle set (2) interference fit, so
Afterwards again in overall insertion ectosome (3), and with ectosome (3) interference fit, ectosome (3) is provided with through hole ii (5), through hole i (4) with logical
Hole ii (5) is coaxial；The operative end surface (6) constituting after being combined by alloy fuse (1), middle set (2) and ectosome (3) is inclined-plane, has
30 ' -1 ° of centripetal angles；Through hole i (4) work surface one end of alloy fuse (1) has fillet (r)；The material of described alloy fuse
For yg20 or yg25 hard alloy；The material of described middle set is t8a；The material of described ectosome is 30crmnsia；
Step is as follows:
1) processing alloy fuse (1)
1.1) get the raw materials ready；Center is taken to have the alloy fuse material of endoporus；
1.2) a pincers worker operation: with two top holes propping up alloy fuse two ends, grind central bore；
1.3) once electrolytic grinder sequence: top, the driving lever being carried with electrolytic grinder, use clip clamping, cylindrical grinding is shown in light；
1.4) line cutting process: with cylindrical centering fixture clamping, line cut hole, stay the surplus of 0.08-0.10mm, the circularity of retaining hole
With cylindricity within φ 0.02-0.03mm；
1.5) secondary pincers worker operation: slightly grind through hole i (4) with ringfeder, stay 0.04mm surplus it is ensured that cylindricity is within 0.02mm,
Ringfeder is enclosed within a rod with Small Taper, when grinding through hole i, progressive through hole i, and going deep into length, taper increases, ringfeder
The progressive spreading of size, hole of realizing rising；
1.6) three pincers worker operations: using grinding rod lappingout through hole i to requiring, grind needed for described length l5=of grinding rod
Length l1+55mm in hole；
1.7) re-electrolysiss grinder sequence: the clip clamping being carried with grinding machine, cylindrical grinding, and break-in gold fuse one end, make alloy core
Sub- one end has length l2=5mm and taper is 5 ° of cone, ensure simultaneously with the axiality of through hole i φ 0.025mm it
Interior；
1.8) three electrolytic mill operations: break-in gold fuse two ends are it is ensured that the depth of parallelism is within 0.02mm and vertical with axially bored line
Directly spend within φ 0.03mm；
1.9) four pincers worker operations: 1/2 and the taper of slightly getting through the fillet of hole i work surface one end with oilstone are 5 ° of cone one
End；
2) (2) are covered in processing
2.1) get the raw materials ready；
2.2) a turner operation: the clamping with three-jaw chuck being carried with lathe, turning, stay the surplus of 0.3-0.4mm, endoporus is pressed
The cylindrical surplus staying 0.4-0.5mm of alloy fuse, length direction stays 1-2mm surplus；
2.3) heat treatment step: quench and be tempered to hrc53-58；
2.4) blast operation: blast；
2.5) plain grinding operation: grind one end datum level with Flat plierses clamping；
2.6) endoporus grinder sequence: on the basis of the datum level that plain grinding grinds, pay in pairs with alloy fuse match grinding endoporus；
3) alloy fuse (1) and middle set (2) cooperation
3.1) a pincers worker operation: in be placed in thermohaline stove in 450 DEG C insulation 30 minutes after take out, rapidly by alloy fuse (1)
In set endoporus in press-in；
3.2) turner operation: car removes the redundance at two ends after pressing；
3.3) outer grinder sequence: on the basis of the hole of alloy fuse, cover cylindrical in mill, and cover one end in grinding, make middle set one end have
Length l3=5mm and taper are 5 ° of cone, ensure with the axiality of through hole i within φ 0.025mm simultaneously；
3.4) plain grinding operation: by grind cylindrical on the basis of, mill two ends and alloy fuse holding flushes the depth of parallelism it is ensured that two ends
Within 0.02mm and with the perpendicularity of axially bored line within φ 0.03mm；
3.5) secondary pincers worker operation: beaten in circle with oilstone and put conical one end that taper is 5 °；
4) processing ectosome (3)
4.1) get the raw materials ready；
4.2) a turner operation, rough turn cylindrical, stay 2mm surplus, stay 2mm surplus, extended length by the cylindrical rough turn endoporus of middle set
5mm, remaining is not processed；
4.3) heat treatment step: quenched hrc37-41 is carried out to ectosome；
4.4) blast operation: blast；
4.5) secondary turner operation: smart car endoporus, diameter of bore stays 0.09-0.11mm surplus with middle set major diameter fit, endoporus
Mouthful end and bottom ensure perpendicularity perpendicular to axially bored line within φ 0.015mm, remaining not car；
4.6) plain grinding operation: upper Flat plierses mill tail end is with mouth end it is ensured that the depth of parallelism is within 0.015mm；
5) cooperation of set (2) and ectosome (3) in
5.1) a pincers worker operation: ectosome is placed in insulation in 450 DEG C of salt stoves and takes out after 30 minutes, rapidly by middle set press-in ectosome
To ectosome bottom；
5.2) a turner operation: on the basis of through hole i center, drill and ream the fixture being carried with lathe through hole ii, stays 0.01-
0.04mm surplus, through hole i and through hole ii are coaxial, turning to requiring it is ensured that with the axiality of through hole i in φ 0.05mm, car
Both ends of the surface are long, stay mill amount 0.2-0.3mm surplus；
5.3) a pincers worker operation: using grinding rod lappingout through hole ii to requiring；
5.4) recessed reduction: the operative end surface (6) that mill is constituted after being combined by alloy fuse (1), middle set (2) and ectosome (3), grinder is made
The centripetal angle of end face is 30 ' -1 °；
5.5) plain grinding operation: plain grinding tail end ensures that parallel and perpendicularity with axially bored line, in φ 0.03mm, keeps length direction
To size；
5.6) secondary pincers worker operation: extremely will with the fillet and the centripetal angle of operative end surface of oilstone grinding and polishing through hole i work surface one end
Ask.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268428.4A CN104057007B (en) | 2014-06-16 | 2014-06-16 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410268428.4A CN104057007B (en) | 2014-06-16 | 2014-06-16 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057007A CN104057007A (en) | 2014-09-24 |
| CN104057007B true CN104057007B (en) | 2017-01-18 |
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| CN201410268428.4A Expired - Fee Related CN104057007B (en) | 2014-06-16 | 2014-06-16 | Hard alloy female die for semi-flat round head rivets and flat taper head rivets and processing method of hard alloy female die |
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| CN105436380A (en) * | 2015-12-12 | 2016-03-30 | 中国航空工业标准件制造有限责任公司 | Combined cold-heading female die for core bars of self-plugging rivets |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079059A (en) * | 1993-04-30 | 1995-01-13 | Seiji Kawahara | Cold heading tool |
| JPH09150235A (en) * | 1995-11-24 | 1997-06-10 | Chubu Tepuro:Kk | Heater rivet and production thereof |
| CN100391728C (en) * | 2006-09-01 | 2008-06-04 | 苏州江钻新锐硬质合金有限公司 | Standing mold pressing die for bars in hard alloy, and manufacturing method |
| CN201064816Y (en) * | 2007-06-21 | 2008-05-28 | 上海上标汽车紧固件有限公司 | Special-purpose hinge pin bolt forming die |
| DE102011110598A1 (en) * | 2011-08-18 | 2013-02-21 | Nedschroef Altena Gmbh | Method and tool for producing a full punch rivet |
| CN202263880U (en) * | 2011-10-24 | 2012-06-06 | 陕西天达航空标准件有限公司 | Cold upsetting combined female die for machining blind rivet mandrel by upsetting-extruding method |
| CN203109150U (en) * | 2012-12-29 | 2013-08-07 | 宾科汽车紧固件（昆山）有限公司 | Rivet cold heading device |
| CN103252627B (en) * | 2013-05-24 | 2016-08-31 | 盘起工业(大连)有限公司 | A kind of two-layer combined die and processing method |
| CN103464995B (en) * | 2013-09-18 | 2016-01-13 | 沈阳飞机工业（集团）有限公司 | The sunk screw processing method of cold-heading alloy former |
| CN203992210U (en) * | 2014-06-16 | 2014-12-10 | 沈阳飞机工业（集团）有限公司 | Half oval head, flat taper head rivet carbide alloy former |
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